/Engine/Plugins/Runtime/Metasound/Source/MetasoundFrontend/Public/MetasoundFrontendController.h
Add a new node to this graph by duplicating the supplied node. The new node has the same interface and node class as the supplied node. This method will not duplicate node connections.
Node handle for new node. On error, an invalid handle is returned.
[FNodeHandle](API\Plugins\MetasoundFrontend\FNodeHandle) AddDuplicateNode ( const [INodeController](API\Plugins\MetasoundFrontend\INodeController) & InNodeController )